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FLT_EVAL_METHOD

De cppreference.com
< c‎ | types‎ | limits

Defined in header <float.h>
#define FLT_EVAL_METHOD /* implementation defined */
(depuis C99)
Spécifie la précision dans lequel toutes les opérations arithmétiques à virgule flottante sont fait .
Original:
Specifies the precision in which all floating-point arithmetic operations are done.
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Valeur
Original:
Value
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Explanation
negative values except -1
mise en œuvre comportement défini
Original:
implementation-defined behavior
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-1
la précision par défaut n'est pas connue
Original:
the default precision is not known
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0
toutes les opérations et les constantes d'évaluer la portée et la précision du type utilisé. En outre, float_t et double_t sont équivalentes à float et double respectivement
Original:
all operations and constants evaluate in the range and precision of the type used. Additionally, float_t and double_t are equivalent to float and double respectively
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1
toutes les opérations et les constantes d'évaluer la portée et la précision de double. En outre, à la fois float_t et double_t sont équivalentes à double
Original:
all operations and constants evaluate in the range and precision of double. Additionally, both float_t and double_t are equivalent to double
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2
toutes les opérations et les constantes d'évaluer la portée et la précision de long double. En outre, à la fois float_t et double_t sont équivalentes à long double
Original:
all operations and constants evaluate in the range and precision of long double. Additionally, both float_t and double_t are equivalent to long double
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[modifier] Voir aussi

C++ documentation for FLT_EVAL_METHOD